diff --git a/src/pluto/alg/ike_alg_twofish.c b/src/pluto/alg/ike_alg_twofish.c
index 38ba4adb2..c4877af01 100644
--- a/src/pluto/alg/ike_alg_twofish.c
+++ b/src/pluto/alg/ike_alg_twofish.c
@@ -7,7 +7,6 @@
 #include "constants.h"
 #include "defs.h"
 #include "log.h"
-#include "libtwofish/twofish_cbc.h"
 #include "alg_info.h"
 #include "ike_alg.h"
 
diff --git a/src/pluto/crypto.c b/src/pluto/crypto.c
index 68d1cfd5a..cc88bc730 100644
--- a/src/pluto/crypto.c
+++ b/src/pluto/crypto.c
@@ -17,12 +17,9 @@
 #include <string.h>
 #include <stddef.h>
 #include <sys/types.h>
+#include <errno.h>
 
 #include <freeswan.h>
-#define HEADER_DES_LOCL_H   /* stupid trick to force prototype decl in <des.h> */
-#include <libdes/des.h>
-
-#include <errno.h>
 
 #include "constants.h"
 #include "defs.h"